The FT232RL is a versatile USB-to-UART bridge controller that has gained popularity in various electronic projects and applications. With its ability to seamlessly convert USB signals to UART and vice versa, the FT232RL provides an easy and efficient way to communicate between computers and microcontrollers. Whether you are a hobbyist or a professional, understanding the FT232RL can greatly enhance your project’s connectivity capabilities.
FT232RL
Introduction
FT232RL is a USB-to-UART bridge controller that allows communication between a computer and serial devices. It is produced by Future Technology Devices International Ltd (FTDI), a semiconductor company specializing in USB interface technology.
What is FT232RL used for?
FT232RL is commonly used for interfacing microcontrollers, such as Arduino boards, with a computer via USB. It provides a convenient way to program and debug microcontroller-based projects. Additionally, it can be used for various other applications that require UART communication, such as GPS modules, Bluetooth modules, and industrial control systems.
Who makes FT232RL?
FT232RL is manufactured by FTDI, a well-known semiconductor company based in Scotland, United Kingdom. FTDI has been providing USB interface solutions for over 25 years and has established itself as a reliable supplier in the industry.
Feature
The FT232RL offers several features that make it popular among developers:
- High data transfer rates: It supports baud rates up to 3 Mbps, allowing for fast and efficient data transmission.
- Low power consumption: The FT232RL operates on low power, making it suitable for battery-powered applications.
- USB 2.0 compliant: It conforms to USB 2.0 specifications, ensuring compatibility with most computers and operating systems.
- Integrated EEPROM: The controller includes an onboard EEPROM memory that stores device-specific information, such as manufacturer details and product descriptions.
- Large buffer sizes: It has a 384-byte receive buffer and a 128-byte transmit buffer, which helps in reducing data loss during high-speed transfers.
- Support for multiple interfaces: The FT232RL can be configured as either a USB full-speed device or a USB full-speed plus UART interface, providing flexibility for different project requirements.
PCB symbol
Datasheet
Click the picture below to get the FT232RL datasheet document!
Price
The price of FT232RL varies depending on factors such as the quantity ordered and the distributor. Generally, the average price for a single unit ranges from $3 to $5 USD. However, bulk orders or purchasing from authorized distributors may result in lower prices per unit. It is recommended to check with local suppliers or online retailers for the most up-to-date pricing information.
Comparison
FT232RL vs FT232RNL
The FT232RNL is a low-power variant of the FT232RL. While both models offer similar functionality, the FT232RNL consumes less power, making it ideal for battery-powered applications or situations where power efficiency is crucial. If you are working on a project that requires minimal power consumption, the FT232RNL might be the better choice.
FT232RL vs FT232RQ
The FT232RQ is another variant of the FT232RL, designed specifically for high-speed USB communication. It supports data rates up to 12 Mbps, making it suitable for applications that require fast and efficient data transfer. If your project involves high-speed communication, such as in industrial automation or data logging, the FT232RQ might be the more suitable option compared to the standard FT232RL.
FT232RL vs FT232RH
The FT232RH is an enhanced version of the FT232RL, offering additional features such as advanced power management and enhanced UART signal quality. These enhancements make the FT232RH a great choice for applications that demand superior signal integrity and stability. If you require robust and reliable UART communication, particularly in noisy environments, the FT232RH would be a better fit than the FT232RL.
FT232RL vs CP2102
The CP2102 is a popular alternative to the FT232RL, offering similar USB-to-UART bridge functionality. Both controllers have comparable performance and reliability. However, there are some differences to consider. The FT232RL provides a larger buffer size, making it more suitable for applications that require handling large amounts of data. On the other hand, the CP2102 often comes at a lower price point, making it an attractive option for cost-sensitive projects.
FT232RL vs PL2303
The PL2303 is another widely used USB-to-UART bridge controller. Like the FT232RL, it offers reliable communication between USB and UART interfaces. While both models have similar functionality, there are some differences to consider.
The PL2303 generally supports higher data rates, making it suitable for applications that require fast transfer speeds. However, the FT232RL is known for its wide compatibility and robustness in various operating systems, which may be advantageous depending on your project requirements.
How to install FT232RL?
To install the FT232RL, you will need to follow a few steps.
- First, connect the module to your computer using a USB cable.
- The operating system should automatically detect the device and try to install the appropriate drivers.
- In some cases, you may need to manually download and install the drivers from the manufacturer’s website.
- Once the drivers are installed, you can start using the FT232RL module with your computer.
FAQs
What is the voltage level of FT232RL?
The FT232RL operates at a voltage level of 3.3V or 5V. This makes it compatible with a wide range of devices and systems that use these voltage levels. The voltage level can be selected using the VCCIO pin on the module, allowing you to configure it according to your specific requirements.
What is the alternative to FT232RL?
One popular alternative to the FT232RL is the CP2102 USB-to-UART bridge controller. Like the FT232RL, the CP2102 provides a convenient way to interface USB with UART communication. It offers similar functionality and performance, making it a suitable choice for many applications.
However, it is important to note that each alternative may have its own advantages and disadvantages, so it is recommended to carefully evaluate your specific needs before choosing one over the other.
What is the buffer size of FT232RL?
The FT232RL has a buffer size of 128 bytes for both transmit and receive operations. This buffer size allows for efficient data transfer between the USB and UART interfaces, minimizing delays and ensuring smooth communication. It is worth noting that the buffer size can vary depending on the specific application and settings used.
Conclusion
In conclusion, the FT232RL is a reliable and widely used USB-to-UART bridge controller that offers a range of benefits for electronic projects. Its flexibility, compatibility with different voltage levels, and ample buffer size make it a popular choice among developers and enthusiasts. Whether you are designing a simple DIY project or a complex embedded system, the FT232RL can be a valuable tool in facilitating seamless communication between your computer and other devices.
